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JALON MICRO NANO NEW MATERIALS CO. LTD

4A Molecular Sieve

4A Molecular Sieve

Product Details

Absorption Cycle 2*60 S
Grain Diameter 1.7-2.0 mm
Purity 99%
Diameter 1.7 - 2.0 mm
Grade Standard
Shape Cylindrical Pallets
Specific Heat 0.23 (Kcal/kg /oC)
TDS View
MSDS View

Molecular sieve 4A, also called zeolite 4A or zeolith 4A, is one type of aluminosilicate crystal with average pores measuring of 4 angstrom (0.4 nm). Molecular with kinetic diameter larger than 4 angstrom will be adsorbed by zeolite 4A, otherwise be excluded.

Zeolite 4A molecular sieves are typically used for dehydration in air break system, natural gas drying.

Storage
The product should be stored in original pack or air-proof package in cool and dry conditions should not be left exposed to open air.

Regeneration
Molecular sieve 4A can be regenerated by increasing temperature or reducing the pressure.


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Technical Specification

Item Type Diameter Static H₂O Adsorption Bulk Density Crush Strength Loss on Attrition Package Moisture
4A Bead 1.6—2.5 ≥22.5 ≥0.74 ≥40 ≤0.1 ≤1.5%wt
3—5 ≥22.5 ≥0.72 ≥80 ≤0.1 ≤1.5%wt
4A Pellet 1/16″ ≥22.5 ≥0.66 ≥40 ≤0.2 ≤1.5%wt
1/8″ ≥22.5 ≥0.66 ≥80 ≤0.3 ≤1.5%wt
Unit mm %wt  g/ml N %wt %wt
Note RH75%,25℃ Settled Average 575℃,1hr

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